220425847 has 2 divisors, whose sum is σ = 220425848. Its totient is φ = 220425846.

The previous prime is 220425827. The next prime is 220425883. The reversal of 220425847 is 748524022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220425847 - 2⁷ = 220425719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220425827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110212923 + 110212924.

It is an arithmetic number, because the mean of its divisors is an integer number (110212924).

Almost surely, 2^220425847 is an apocalyptic number.

220425847 is a deficient number, since it is larger than the sum of its proper divisors (1).

220425847 is an equidigital number, since it uses as much as digits as its factorization.

220425847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 220425847 is about 14846.7453335740. The cubic root of 220425847 is about 604.0703313785.

Adding to 220425847 its reverse (748524022), we get a palindrome (968949869).

It can be divided in two parts, 22042 and 5847, that added together give a square (27889 = 167²).

The spelling of 220425847 in words is "two hundred twenty million, four hundred twenty-five thousand, eight hundred forty-seven".